结合水

Meanwhile, it can result in a lot of environmental and economic problems, lead to new secondary disaster and ecological damage, and form involuntary cycle in the end.

水沙灾害的研究和治理已成为长江防洪和生态环境保护中亟待解决的问题。治理的主要措施是远近结合、全流域治理。

The distance between the body and receptor and the efficiency of energy transfer were obtained to be 1.77 nm and 0.052 65 respectively, based on the theory of Frster nonradiative energy transfer.

根据Frster非辐射能量转移机理，求算出给体与受体间的作用距离和能量转移效率分别为1.77和0.052 65 nm，并结合热力学参数说明了叶酸分子与人血清白蛋白的作用以疏水作用为主，同时也存在静电引力。

In view of the problems of welling water, mud avalanche and so on, the measures of construction and treatments of tunnel waterproofing and drainage are introduced in accordance with the construction experience.

针对隧道施工中常出现的涌水、泥石流等不良地质现象，结合工程实际，介绍隧道防排水施工及处治措

The FEM has been used to analyze the coupling seepage field and stress field under different water pressures based on the drainage tunnel project crossing the Yangtze River at the downtown of Chongqing city. The segment's stress distribution, displacements and pore pressure distributions are calculated.

结合重庆主排水过江盾构隧道的修建，针对不同水压情况下的盾构隧道，采用有限元法对围岩及结构的渗流场和应力场进行耦合分析，获得施工期管片应力、位移及孔隙水压力分布。

By calculation of water flow into tunnel and theoretical analysis for effect of blocking grouting circle combined with engineering analogy,the design principle and project of waterproofing and drainage system for Xiamen Subsea Tunnel were performed.

通过对隧道涌水量进行计算，对堵水注浆圈作用进行分析并结合工程类比后，分析确定了厦门海底隧道的防排水设计原则及方案，即在主隧道不良地质地段和整个服务隧道采用全封堵方案，水压按全水头计算；在主隧道完整围岩地段采用限量排放方案，水压可进行一定折减。

The effects of different kinds of admixtures on microstructure of cement paste were investigated by XRD, SEM and MIP.

采用XRD、SEM和MIP方法相结合，研究了混凝土外加剂对水泥浆体微结构的影响。

Then the dynamic mathematical model for the whole unit of air source heat pump is founded with the parts of compressor model, airside heat exchanger model under frosting, heat exchanger model of water side and electronic expansion valve.

将压缩机模型、空气侧换热器结霜模型与水侧换热器模型、电子膨胀阀模型有机地结合在一起，构成了整个空气源热泵冷热水机组的动态模型。

Many aquarists combine the power filter with the under gravel filter to get the best of both worlds and crystal-clear aquarium water.

许多aquarists结合电力滤波器与下的砾石过滤器，以获得最佳的两个世界和水晶般清晰的水族馆的水。

The paper relying on project practice of the express highway from Taiyuan to Changzhi of Shanxi Province, according to demanding of "Technical Specifications for Construction of Highway Asphait Pavements ", combining with own region climate characteristic and concrete design, and construction request, it has carried out SBS modified studying on shell-90# asphalt, so drawing a conclusion: 1. Having studied the quantity of SBS modifier"s effect on the temperature sensibility, the high temperature stability, the low temperature resistance to cracking , elasticity and the durability of asphalt ,meanwhile, having studied the quantity of SBS modifier"s effect on the water stability, the high temperature stability , the low temperature resistance to cracking of asphalt mixture, having compared SBS modified bitumens various function. As a result ,when the amount of SBS added is 5%, every function is comparatively even.

本论文依托山西省太—长高速公路建设的工程实践，按照《沥青路面施工技术规范》的要求，结合本地区的气候特点和具体设计、施工要求，对壳牌90#沥青进行了SBS改性研究，得到如下结论：(1)研究了SBS改性剂用量对沥青的温度敏感性、高温稳定性、低温抗裂性、弹性及耐久性的影响，同时研究了改性剂用量对沥青混合料的高温稳定性、低温抗裂性和水稳定性的影响，比较了SBS改性沥青的各项性能，结果表明当SBS掺加量为5%时，各性能较为均衡。

The trend of high efficient use of harvested water is to combine the water harvesting with installation agriculture, and the high level artificial catchments can be used.

集流水的高效利用方向是将雨水集流和设施农业结合起来，并考虑采用固定集水面。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。